This will be required to support touchscreen on Lumia
devices.
Signed-off-by: Konrad Dybcio <[email protected]>
---
arch/arm64/boot/dts/qcom/msm8992.dtsi | 35 +++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/msm8992.dtsi
b/arch/arm64/boot/dts/qcom/msm8992.dtsi
index 9b42ac42b171..c7dc81311f6a 100644
--- a/arch/arm64/boot/dts/qcom/msm8992.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8992.dtsi
@@ -304,6 +304,27 @@ blsp1_uart2: serial@f991e000 {
status = "disabled";
};
+ /*
+ * This I2C seems to only be present on WP platforms
+ * and is likely disabled in firmware
+ * (hangs at least one device) on android platforms.
+ */
+ blsp_i2c1: i2c@f9923000 {
+ compatible = "qcom,i2c-qup-v2.2.1";
+ reg = <0xf9923000 0x500>;
+ interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&gcc GCC_BLSP1_AHB_CLK>,
+ <&gcc
GCC_BLSP1_QUP1_I2C_APPS_CLK>;
+ clock-names = "iface", "core";
+ clock-frequency = <400000>;
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&i2c1_default>;
+ pinctrl-1 = <&i2c1_sleep>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
blsp_i2c2: i2c@f9924000 {
compatible = "qcom,i2c-qup-v2.2.1";
reg = <0xf9924000 0x500>;
@@ -524,6 +545,20 @@ sdc1_rclk_off: rclk-off {
bias-pull-down;
};
+ i2c1_default: i2c1-default {
+ function = "blsp_i2c1";
+ pins = "gpio2", "gpio3";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ i2c1_sleep: i2c1-sleep {
+ function = "gpio";
+ pins = "gpio2", "gpio3";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
i2c2_default: i2c2-default {
function = "blsp_i2c2";
pins = "gpio6", "gpio7";
--
2.27.0
